From 8dd0573772cc197c7b3709c987207078f9b82f06 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 29 Sep 2003 21:25:43 +0000
Subject: [PATCH] Update HISTORY for 7.4.
Neil Conway
---
HISTORY | 60 ++++++++++++++++++++++++++++++++-------------------------
1 file changed, 34 insertions(+), 26 deletions(-)
diff --git a/HISTORY b/HISTORY
index 0369638627b..d2a827f8fe9 100644
--- a/HISTORY
+++ b/HISTORY
@@ -15,38 +15,43 @@ Valid as of 2003-09-28. Update release.sgml later.
Major changes in this release:
IPv6
- Full support for IPv6 connections and IPv6 data types.
+ Full support for IPv6 connections and IPv6 address data types
SSL
- Major SSL improvements in performance and security.
+ Major improvements in SSL performance and security
Index Growth Prevention
Allow free space map to efficiently reused empty index pages,
- and other free space improvements.
+ and other free space management improvements.
+
+ Standards Compliance
+ Implement information schema
+ Support for read-only transactions
+ Make cursors comply more closely with the SQL standard
New Client/Server Communication Protocol
- New protocol improves connection speed/reliability, and adds
- error codes, status information, a binary protocol, error
- reporting verbosity, and cleaner startup packets.
+ New protocol improves connection speed/reliability, and adds
+ error codes, status information, a binary protocol, error
+ reporting verbosity, and cleaner startup packets.
Performance
- IN/NOT IN subqueries now perform as efficiently as joins
- Improved GROUP BY procesing by using hack buckets
- Hash indexes now have better concurrency/reliability/performance
- New multi-key hash join capability
- ANSI joins are now fully optimized
- Faster regular expression code
+ IN/NOT IN subqueries now perform as efficiently as joins
+ Improved GROUP BY processing by using hash buckets
+ New multi-key hash join capability
+ ANSI joins are now fully optimized
+ Faster regular expression code
+ Function-inlining for simple SQL functions
- Cursors
- Allow cursors to exist outside transactions
+ Holdable Cursors
+ Allow cursors to exist outside transactions
Threads
- libpq and ecpg are now fully thread-safe with --enable-thread-safety
+ libpq and ecpg are now fully thread-safe with --enable-thread-safety
Contrib
- New version of full text indexing (tsearch2)
- New autovacuum tool
- Array handling has been improved and moved into the main server
+ New version of full text indexing (tsearch2)
+ New autovacuum tool
+ Array handling has been improved and moved into the main server
_________________________________________________________________
@@ -58,18 +63,21 @@ Valid as of 2003-09-28. Update release.sgml later.
Observe the following incompatibilities:
* The server-side autocommit setting was removed an reimplemented
in client applications and languages.
- * Error message wording has changed dramtically in this release,
+ * Error message wording has changed dramatically in this release,
and error codes have been added.
* ANSI joins may behave differently because they are now fully optimized
* A number of server variables have been renamed for clarity
* MOVE/FETCH 0 now does nothing; return value of MOVE/FETCH 1/0
varies based on the current offset in the cursor
- * COPY now can process carriage-return/line-feed and carraige-return
+ * COPY now can process carriage-return/line-feed and carriage-return
terminated files. Literal carriage-returns and line-feeds are no
longer accepted as data values; use \r and \n instead.
- * Auto-trim spaces when converting from CHAR() to VARCHAR()/TEXT
+ * Trailing spaces are now trimmed when converting from CHAR(n) to
+ VARCHAR(n)/TEXT
* FLOAT(p) now measures 'p' in bits, not digits
* Date values now must match the ordering specified by DateStyle
+ * The oidrand(), oidsrand(), and userfntest() functions have been
+ removed.
_________________________________________________________________
@@ -177,14 +185,14 @@ Change EXECUTE INTO to CREATE TABLE AS EXECUTE (Peter)
Object Manipulation
Make CREATE SEQUENCE grammar more SQL1999 standards compliant (Neil)
-Add FOR EACH STATEMENT statement-level triggers (Neil Conway)
+Add FOR EACH STATEMENT statement-level triggers (Neil)
Add DOMAIN CHECK constraints (Rod)
Add ALTER DOMAIN .. SET / DROP NOT NULL, SET / DROP DEFAULT, ADD / DROP
CONSTRAINT (Rod)
Fix several zero-column table bugs (Tom)
Have ALTER TABLE ... ADD PRIMARY KEY add NOT NULL constraint (Rod)
Add ALTER DOMAIN OWNER (Rod)
-Add ALTER TABLE ... WITHOUT OIDS? (Rod)
+Add ALTER TABLE ... WITHOUT OIDS (Rod)
Add ALTER SEQUENCE to modify min/max/increment/cache/cycle values (Rod)
Add ALTER TABLE ... CLUSTER ON (Alvaro Herrera)
Improve DOMAIN automatic type casting (Rod, Tom)
@@ -225,7 +233,7 @@ Have pg_dumpall use GRANT/REVOKE to dump database-level permissions (Tom)
Allow pg_dumpall to support the -a, -s, -x options of pg_dump (Tom)
Prevent pg_dump from lowercasing identifiers specified on the command line (Tom)
Allow PREPARE/bind of utility commands like FETCH and EXPLAIN (Tom)
-Allow EXPLAIN EXECUTE (Neil)
+Add EXPLAIN EXECUTE (Neil)
Allow pg_get_constraintdef() to support UNIQUE, PRIMARY KEY and
CHECK constraints (Christopher)
Improve VACUUM performance on indexes by reducing WAL traffic (Tom)
@@ -235,7 +243,7 @@ Syntax errors now reported as 'syntax error' rather than 'parse error' (Tom)
Have SHOW TRANSACTION_ISOLATION match input to SET TRANSACTION_ISOLATION (Tom)
Have COMMENT ON DATABASE on non-local database generate a warning (Rod)
Improve reliability of LISTEN/NOTIFY (Tom)
-Allow REINDEX to reliabily reindex all indexes, except global ones (Tom)
+Allow REINDEX to reliably reindex non-shared system catalog indexes (Tom)
pg_dump --use-set-session-authorization and --no-reconnect now do nothing,
all dumps use SET SESSION AUTHORIZATION
@@ -289,7 +297,7 @@ Add new DateStyle values MDY, DMY, and YMD, honor US and European for
'now' will no longer work as a column default, use now() (change required for
prepared statements) (Tom)
Assume NaN value to be larger than any other value in MIN()/MAX() (Tom)
-Prevent interval from supressing ':00' seconds display
+Prevent interval from suppressing ':00' seconds display
New pg_get_triggerdef(prettyprint) and pg_constraint_is_visible() functions
Allow time to be specified as '040506' or '0405' (Tom)
--
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